document.write( "Question 668434: a calculator company donated 500 graphing calculators to a certain school. of the 500, 10 were defective. if a math class received 30 calculators, find the probability that exactly 30 graphing calculators were working properly (i.e. not defective)
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #415544 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
\n" );
document.write( "Hi,
\n" );
document.write( "of the 500 graphing calculators , 10 were defective.  non-defective
\n" );
document.write( "math class received 30 calculators
\n" );
document.write( "P(all non-def) =  \n" );
document.write( "

\n" );